These images are copied quite often. A space station turned up-side-down can become a particle fountain. Sargon's sphere plus part of the Nomad probe can become a cloaking device. Several images of the Botany Bay arranged in a circular pattern can become a Bajoran symbol. It's one of their little easter eggs.
This is trivia/easter egg in the same way that a chevy and a ford looking similar is trivia. I know that it's probably just reuse of props, but it would make sense that people in the future would reuse technological structures in their technology and it would look similar.
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